netlink: 'syz-executor4': attribute type 3 has an invalid length. REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "error#r" netlink: 'syz-executor4': attribute type 2 has an invalid length. WARNING: CPU: 1 PID: 3451 at net/netfilter/nfnetlink_cttimeout.c:478 cttimeout_default_get+0x1df/0xb30 net/netfilter/nfnetlink_cttimeout.c:478 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3451 Comm: syz-executor4 Not tainted 4.20.0-rc1-next-20181109+ #110 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 __warn.cold.8+0x20/0x45 kernel/panic.c:540 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 RIP: 0010:cttimeout_default_get+0x1df/0xb30 net/netfilter/nfnetlink_cttimeout.c:478 Code: 00 0f 87 8d 00 00 00 41 80 ff 06 0f 84 94 07 00 00 41 80 ff 11 0f 84 6c 07 00 00 41 80 ff 01 0f 84 44 07 00 00 e8 11 e5 21 fb <0f> 0b 41 bd a1 ff ff ff eb 06 41 bd a1 ff ff ff e8 fc e4 21 fb 48 RSP: 0018:ffff8801b9db72b0 EFLAGS: 00010206 RAX: 0000000000040000 RBX: ffffffff88bfe400 RCX: ffffc9000de35000 RDX: 00000000000193a0 RSI: ffffffff865dc39f RDI: 0000000000000001 RBP: ffff8801b9db73c0 R08: ffff8801c4118440 R09: ffffed003b5e5b67 R10: 0000000000000002 R11: ffff8801daf2db3b R12: 000000000000002f R13: ffff8801b8102280 R14: 0000000000000017 R15: 000000000000002f nfnetlink_rcv_msg+0xdd3/0x10c0 net/netfilter/nfnetlink.c:228 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2477 XFS (loop0): Invalid superblock magic number nfnetlink_rcv+0x1c0/0x4d0 net/netfilter/nfnetlink.c:560 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1336 netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:632 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2117 __sys_sendmsg+0x11d/0x280 net/socket.c:2155 __do_sys_sendmsg net/socket.c:2164 [inline] __se_sys_sendmsg net/socket.c:2162 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2162 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8f28796c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 RDX: 0000000000000000 RSI: 0000000020dddfc8 RDI: 0000000000000005 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8f287976d4 R13: 00000000004c3fea R14: 00000000004d6680 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..